Mobile Usability & Google Mobile-Friendly Test

With an increase in global web traffic from mobile devices & also studies showing that mobile visitors are more likely to revisit mobile-friendly sites, mobile usability has now become an imp part of search results. Mobile usability report helps identify issues affecting your pages. This can be used to fix errors & also their search performance & relevance. Most mobile browsers do not render Flash-based content. Also your pages should specify a viewport using the meta viewport tag

For the mobile friendly websites,

1) The viewing area should adjust to the device screen size
2) Content should flow in viewport
3) Scaling of the fonts
4) Buttons should be well placed & visible
5) Using mobile friendly tech for the mobile website